Add missing requires_gnutls guards
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index f1c1982..4a62348 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -5332,6 +5332,7 @@
requires_config_enabled MBEDTLS_RSA_C
requires_config_enabled MBEDTLS_ECDSA_C
requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2
+requires_gnutls
run_test "DTLS fragmenting: gnutls server, DTLS 1.2" \
"$G_SRV -u" \
"$P_CLI dtls=1 debug_level=2 \
@@ -5346,6 +5347,7 @@
requires_config_enabled MBEDTLS_RSA_C
requires_config_enabled MBEDTLS_ECDSA_C
requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_1
+requires_gnutls
run_test "DTLS fragmenting: gnutls server, DTLS 1.0" \
"$G_SRV -u" \
"$P_CLI dtls=1 debug_level=2 \
@@ -5362,6 +5364,7 @@
requires_config_enabled MBEDTLS_RSA_C
requires_config_enabled MBEDTLS_ECDSA_C
requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2
+requires_gnutls
run_test "DTLS fragmenting: gnutls client, DTLS 1.2" \
"$P_SRV dtls=1 debug_level=2 server_addr=::1 \
crt_file=data_files/server7_int-ca.crt \
@@ -5377,6 +5380,7 @@
requires_config_enabled MBEDTLS_RSA_C
requires_config_enabled MBEDTLS_ECDSA_C
requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_1
+requires_gnutls
run_test "DTLS fragmenting: gnutls client, DTLS 1.0" \
"$P_SRV dtls=1 debug_level=2 server_addr=::1 \
crt_file=data_files/server7_int-ca.crt \
@@ -5486,6 +5490,7 @@
##
## # gnutls-cli always tries IPv6 first, and doesn't fall back to IPv4 with DTLS
## requires_ipv6
+## requires_gnutls
## requires_config_enabled MBEDTLS_SSL_PROTO_DTLS
## requires_config_enabled MBEDTLS_RSA_C
## requires_config_enabled MBEDTLS_ECDSA_C
@@ -5503,6 +5508,7 @@
##
## # gnutls-cli always tries IPv6 first, and doesn't fall back to IPv4 with DTLS
## requires_ipv6
+## requires_gnutls
## requires_config_enabled MBEDTLS_SSL_PROTO_DTLS
## requires_config_enabled MBEDTLS_RSA_C
## requires_config_enabled MBEDTLS_ECDSA_C